Stock-Based Compensation (Tables)
 9 Months Ended
May 31, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Schedule of Share Based Compensation Stock Options Activity

A summary of the stock option activity for the nine months ended May 31, 2014 was as follows:

 

     Number of
Shares		     Weighted-
Average
Exercise Price		      Weighted-
Average
Remaining
Term
(in years)		      Aggregate
Intrinsic Value		  

Outstanding balance, August 31, 2013

      1,517,588      $ 10.30         

Granted

      71,000        13.53         

Exercised

      (52,500 )      6.62         

Cancelled

      (84,817 )      15.20         
  

 

 

          

Outstanding balance, May 31, 2014

      1,451,271        10.30         3.41       $ 4,985,200   
  

 

 

          

Options exercisable at May 31, 2014

      1,104,773      $ 11.11         2.84       $ 3,397,600   

Schedule of Share Based Payment Award Stock Options Valuation Assumptions

The Company estimated the fair value of these stock options using the following weighted-average assumptions that resulted in the following weighted-average grant-date fair values:

 

Expected volatility

    56%

Expected life (years)

    5.0

Interest rate

    1.1-2.1%

Weighted-average fair values

    $6.53
Schedule of Share-Based Compensation, Restricted Stock Award Activity

The following table summarizes the restricted stock award activity for the nine months ended May 31, 2014 as follows:

 

     Number
of Shares		     Weighted-
Average
Grant-Date
Fair Value		  

Nonvested at August 31, 2013

      24,489      $ 7.35   

Granted

      173,060        12.64   

Vested

      (24,489 )      7.35   

Cancelled

      —          —     
  

 

 

    

Nonvested at May 31, 2014

      173,060      $ 12.64   
  

 

 

    

Schedule of Employee Service Share-Based Compensation, Allocation of Recognized Period Costs

The following table summarizes the total stock-based compensation cost and the effect on the Company’s Condensed Consolidated Statements of Operations:

 

     Three Months Ended May 31,      Nine Months Ended May 31,  
(In thousands)    2014      2013      2014      2013  

Cost of sales

    $ 4       $ —         $ 4       $ —     

Operating expenses

      320         290         835         1,102   

Research and development expenses

      2         —           2         —     
  

 

 

     

 

 

     

 

 

     

 

 

  

Total stock-based compensation expense

    $ 326       $ 290       $ 841       $ 1,102   

Income tax benefit

      125         110         323         419   
  

 

 

     

 

 

     

 

 

     

 

 

  

Total stock-based compensation expense, net of tax

    $ 201       $ 180       $ 518       $ 683